The Katmai region, Alaska, and the great eruption of 1912
Fenner CN. 1920. The Katmai region, Alaska, and the great eruption of 1912. The Journal of Geology. 28(7):569-606
This is a preliminary account of observations made by a Geophysical Laboratory geologist who participated in the 1919 National Geographic Society expedition to Katmai. Many observations made by previous expeditions were confirmed and supplemented. It was found that the volcanoes of the region are situated in an area of sedimentary rock remarkable for the absence of folding or obvious faulting. The more recent lavas are basic andesites. The causes of the fumaroles and the development of a new vent on Novarupta are discussed, as is fumarolic action at Falling Mountain. A study to determine the manner in which the top of Mt. Katmai disappeared was undertaken. Current theories of volcanism are discussed in light of the Katmai eruption. Refers to the 1912 eruption of Katmai.
- Type
- Journal Article
- Authors
- Fenner, Clarence
- Units
- KATM
- Keywords
- Falling Mountain, Fumaroles, Geology, Katmai eruption, Katmai National Park And Preserve, Mt. Katmai, Novarupta, Valley Of Ten Thousand Smokes, Volcanic Eruptions, Volcanoes